Finding the Fourth Proportional to 2,399.07, 3,599.03 and 1,100.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.07 : 3,599.03 = 1,100.67 : x
2. Step 2: Convert to fraction form
   2,399.07/3,599.03 = 1,100.67/x
3. Step 3: Cross multiply
   2,399.07x = 3,599.03 × 1,100.67
4. Step 4: Simplify right side
   2,399.07x = 3,961,338.85
5. Step 5: Solve for x
   x = 3,961,338.85/2,399.07
6. Step 6: Final answer
   x = 1,651.20